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So you guys are saying the STC numbers are not achievable at all? I actually bought these panels according to the given numbers. I cant believe it actually,

Hi, For a project at home i bought one 560WP solar panel from the brand Resun. I am trying to test the output of the panel by measuring the open circuit voltage. I got the panel in full exposure in the sun (no clouds) and got about 46.2V. Can you guys help me read the datasheet correctly? I...

Yes I figured, but i'm might missing some experience here. On a open voltage of 46.92V it delivers 424WP. Am I correct? Resun is advertising this panel delivering 560WP. Thanks!